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Y10 Computer Science Programming Concepts Flashcards | StudBud
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Y10 Computer Science Programming Concepts
Y10 Computer Science Programming Concepts
21 terms
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Questions
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Answers
1
What is AAh in binary?
10101010
10101101
1010
11001010
2
A NOT gate has.....?
1 input 2 outputs
2 inputs 2 outputs
2 inputs 1 output
1 input 1 output
3
What's the output of an AND gate if inputs are 0 and 1
1
Off
2
0
4
What's the output of an OR gate if inputs are 0 and 1
off
2
1
0
5
Who was the first computer programmer?
Ada Lovelace
Alice Lovelace
Ada Lovlace
Alice Lacelove
6
Which is not a valid constant
SPACE
PI
WORDLIMIT
UserName
7
An operator to find a number divisible by another number..
Subtraction
DIVISION
MOD
Integer division
8
3 inputs will give SUM and CARRY
False
True
9
A logic state can only be.......?
on or 1
Off or 1
1 or 0
In and out
10
1 input will give CARRY
True
False
11
The following is not true about variable names...
They can't start with numbers or contain spaces
They must be descriptive
They must be in capital letters
They point to memory locations
12
What is AAh in decimal?
170
180
160
150
13
What did Charles Babbage invent?
A telephone
A fax machine
A photocopier
A computer
14
A function to calculate the length of a string....
LEN
INDEX
UNBOUND
COUNT
15
A computer in ancient times was a mathematician?
True
False
16
A full adder circuit has.........?
2 XOR 2 AND 2 OR gates
3 XOR 1 AND 1 OR gates
2 XOR 2 AND 1 OR gates
1 XOR 1 AND 2 OR gates
17
AAh in decimal is 160
False
True
18
The statement A or B implies.........?
Characters
Booleans
Strings
Integers
19
A data type used in selection conditions (eg. while loops)
Characters
String
Boolean
Integer
20
What's the output of a NOT gate if input is 0
0
2
1
Off
21
2 inputs will give a CARRY
True
False
